/**
* Get file by identifier
*
* @param string $identifier
* @return \TYPO3\CMS\Core\Resource\FileInterface
*/
public function getFile($identifier)
{
return $this->driver->getFile($identifier);
}
/**
* Entry method for use as file list filter.
*
* We have to use -1 as the „don't include“ return value, as call_user_func() will return FALSE
* if calling the method failed and thus we can't use that as a return value.
*
* @param string $itemName
* @param string $itemIdentifier
* @param string $parentIdentifier
* @param array $additionalInformation Additional information about the inspected item
* @param \TYPO3\CMS\Core\Resource\Driver\AbstractDriver $driver
* @return boolean|integer -1 if the file should not be included in a listing
*/
public function filterFileList($itemName, $itemIdentifier, $parentIdentifier, array $additionalInformation, \TYPO3\CMS\Core\Resource\Driver\AbstractDriver $driver)
{
$returnCode = TRUE;
// Early return in case no file filters are set at all
if ($this->allowedFileExtensions === NULL && $this->disallowedFileExtensions === NULL) {
return $returnCode;
}
// Check that this is a file and not a folder
if ($driver->fileExists($itemIdentifier)) {
$file = $driver->getFile($itemIdentifier);
if (!$this->isAllowed($file)) {
$returnCode = -1;
}
}
return $returnCode;
}
